新增: F-03对抗评估接LLM+F-02纯技能调用标题+i18n@转义

src/i18n/en/aiChat.ts

@@ -68,12 +68,12 @@ export default {
     // ── Skill ──
     clearSkill: 'Clear skill',
     placeholderWithSkill: 'Skill selected. Type arguments and press Enter',
-    placeholderDefault: 'Type a message... (/ for skills, @ to mention)',
+    placeholderDefault: "Type a message... (/ for skills, {'@'} to mention)",
     skillNoMatch: 'No matching skill',
     skillNotLoaded: 'No local skills loaded',
 
     // ── UX-10: @ entity mention (@ opens popover, select inserts [Type:Name] token) ──
-    mentionHint: '@ to mention project/task',
+    mentionHint: "{'@'} to mention project/task",
     mentionGroupProject: 'Projects',
     mentionGroupTask: 'Tasks',
     mentionNoMatch: 'No matching entity',